#include <REGX52.H>

void showDigit(int loc,num,short dot){
	int n2d[]={0x3f,6,0x5b,0x4f,0x66,0x6d,0x7d,7,0x7f,0x6f};
	P2_4=loc&4;
	P2_3=loc&2;
	P2_2=loc&1;
	P0=n2d[num]|(dot<<7);
}
